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Product category: Design and Development Software
News Release from: Ansoft Europe | Subject: Serenade 8.7
Edited by the Electronicstalk Editorial Team on 31 May 2002

Simulation kit aids basestation design

Ansoft has successfully implemented and verified Motorola's MET LDMOS model design kit for use with its Serenade 8.7 nonlinear circuit simulator

Ansoft has successfully implemented and verified Motorola's electro thermal laterally diffused metal oxide semiconductor (MET LDMOS) model design kit for use with the Ansoft Serenade 8.7 nonlinear circuit simulator. The newly released LDMOS design kit is critical to the timely development of next-generation mobile basestation equipment.

"Motorola is enthusiastic about providing our mutual customers with this MET LDMOS library", said Jaime Pla, Manager of the Modeling and Library Development Group within the Wireless Infrastructure Systems Division of Motorola.

"The implementation of the MET LDMOS model library in Serenade 8.7 continues to build on Motorola's commitment to provide mobile basestation amplifier designers with models implemented in state-of-the-art nonlinear circuit simulators".

The library, which incorporates the transistor models for Motorola LDMOS devices, accounts for the nonlinear and temperature characteristics of the devices commonly found in high-power microwave and radio frequency (RF) applications for mobile base stations.

The complete design kit contains the MET transistor models, electrical-package models, and models for bond wires and intrinsic matching for Motorola's current LDMOS products.

For the first time, the MET nonlinear model for RF LDMOS transistors examines both electrical and thermal phenomena and can account for dynamic self-heating effects of device performance.

Motorola specifically tailored the model to simulate high-power RF LDMOS transistors used in wireless base-station applications.

The model is capable of performing small-signal, large-signal, harmonic-balance, noise and transient simulations.

Because of its ability to simulate self-heating effects, the MET model is more accurate than existing models, enabling circuit designers to predict prototype performance more accurately, therefore reducing design cycle time.

"The LDMOS design kit represents an expanding set of component libraries that will target PCB, MMIC, and RFIC applications", said David Vye, Ansoft's Product Marketing Manager, Ansoft Designer.

"The LDMOS model library kit will allow companies to develop products for the telecommunications infrastructure sector in less time and at reduced costs".

The MET model also has been successfully implemented in Ansoft Designer, Ansoft's physics-based circuit, system, and electromagnetic design environment for RF, high-speed, and communication design.

The Motorola LDMOS design kit will be available in Ansoft Designer in the second half of 2002.

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